on-demand

on-dih-MAND /ˌɒn.dɪˈmɑːnd/
adjectiveadverbB1TOEFLIELTS
neutral

Available immediately upon request or whenever required by the user.

Contrasts sharply with fixed schedules; gives complete control over playback timing.

The story behind the word. Traces to Latin 'mandare' (to order or command). In the 1990s, cable networks introduced 'Video On Demand' (VOD) systems allowing viewers to start movies whenever they pleased via set-top box remote commands.

Word relationships

  • upon request: 'Upon request' is traditional formal English; 'on-demand' modernly implies instant digital delivery.
  • scheduled: Fixed-time broadcast or pre-arranged delivery time.

Commonly confused with

  • demanding: 'Demanding' means requiring great effort or strict attention, while 'on-demand' means instantly available.

Collocations

  • on-demand video
  • on-demand access
  • on-demand content
  • video-on-demand

Example sentences

  • "Consumers now expect on-demand video streaming rather than adjusting their schedules to watch TV shows." Modern media consumption
  • "The library offers on-demand printing services for students working late at night." Service technology

Memory hook

When you DEMAND it, it appears ON the spot. Instant access when requested.

When not to use

Do not use for live television broadcasts where the user cannot control start times.

Fun facts

  • Early hotel 'on-demand' movie systems in the 1970s used physical banks of videotapes triggered mechanically in the basement.

Related words

stream, binge-watch, autoplay

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